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Fluoride content of Los Angeles County water
D F Duperon1, J R Jedrychowski, J Kong
1Section of Pediatric Dentistry, University of California at Los Angeles, School of Dentistry 90024-1668, USA.
Journal of the California Dental Association
|February 1, 1995
Summary
Tap water fluoride levels in Los Angeles County residences were consistently higher than reported by water agencies. This study analyzed fluoride content in 45 homes over three weeks.
Area of Science:
- Environmental Science
- Public Health
- Analytical Chemistry
Background:
- Fluoridation of public water supplies is a common public health measure.
- Accurate monitoring of fluoride levels in distributed tap water is crucial for ensuring optimal dental health benefits and preventing potential adverse effects.
Purpose of the Study:
- To assess the actual fluoride concentrations in residential tap water across Los Angeles County.
- To compare measured fluoride levels with official data provided by water supply agencies.
Main Methods:
- Collection of nine tap water samples per residence from 45 homes over three consecutive weeks.
- Analysis of fluoride content in each collected sample.
- Comparison of analytical results with fluoride data reported by water source agencies.
Main Results:
- Fluoride levels exhibited an average variation of 0.11 ppm throughout the sampling period.
- Mean fluoride concentrations in tap water samples were consistently found to be higher than the values reported by the supplying water agencies.
Conclusions:
- There is a discrepancy between reported and measured fluoride levels in Los Angeles County tap water.
- Further investigation is warranted to understand the reasons for these differences and ensure accurate public health communication.